/*
 * Copyright 2018-2019 Expedia Group, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.expedia.adaptivealerting.metrics.functions.source.graphite;

import com.expedia.adaptivealerting.metrics.functions.source.graphite.Datapoint;
import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;

import java.util.Map;

@Data
@NoArgsConstructor
@AllArgsConstructor
@JsonIgnoreProperties(ignoreUnknown = true)
public class GraphiteResult {
    private String[][] datapoints;
    private String target;
    private Map<String, String> tags;

    public Datapoint getDatapoint() throws MissingDatapointException {
        Double value;
        long timestamp;
        for (int i = 0; i < this.datapoints.length; i++) {
            if (datapoints[i][0] == null)
                continue;

            value = Double.parseDouble(datapoints[i][0]);
            timestamp = Long.parseLong(datapoints[i][1]);
            return new Datapoint(value, timestamp);
        }
        throw new MissingDatapointException();
    }
}
